reporting now from washington. >> lawmakers are still working on it. >> i want everyo one to know i' willing to get this done but i need dance partner. >> the main sticking point between democrats and republicans continues to be over the threshold of tax increases. president obama campaigned on raising taxes on income over $250,000 while many congressional republicans have pushed back against any tax increases. president obama is placing the blame for the impasse on the gop. >> they say that their biggest priority is making sure that we deal with the deficit in a serious way, but the way they're behaving is that their only priority is making sure that tax breaks for the wealthiest americans are protected. >> reporter: but senators say there is some movement on the issue. >> there's a lot of give and take going on right now, but republicans doan want to see new revenues, in other words, democrat tax increases, beused for new spending. >> the president has said if there is no deal by the end of the day, the senate should draw up legislation to extend the bush-era tax cuts for the middle class.